Solve the problem.Ellen wishes to mix candy worth $1.66 per pound with candy worth $2.88 per pound to form 15 pounds of a mixture worth $2.31 per pound. How many pounds of the more expensive candy should she use?
A. 8 pounds
B. 9 pounds
C. 13 pounds
D. 7 pounds
Answer: A
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Provide an appropriate response. Write a function that represents the data shown below. The pounds and the total cost are for purchasing pounds (or portions of pounds) of coffee beans and grinding them.PoundsTotal Cost422527632
A. C(x) = 5x + 2 B. C(x) = 6x - 2 C. C(x) = 4x + 6 D. C(x) = 5.5x
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(5, 4)} B. {(-5, -4)} C. no solution; ? D. {(-5, 4)}
Graph the function by starting with the graph of 
and using transformations.f(x) = (x - 5)2 
A. 
B. 
C. 
D. 
Use a calculator or table to approximate the number. Round to three decimal places.
A. 10 B. 10.136 C. 10.149 D. 10.164